When God’s people face insurmountable odds, and win, it is God who gains all the glory. It makes it apparent to everyone that a miracle of God has happened, and not a victory by the might of men.
“Then Jerubbaal (that is, Gideon) and all the people who were with him got up early, and camped beside the spring of Harod; and the camp of Midian was on the north side of them by the hill of Moreh in the valley.